ECAT Computer Science Database Design Process Test Online

ECAT Computer Science Database Design Process Test

ECAT Computer Science Chapter 13 Database Design Process Online Test

Total Questions: 50
Time Allowed: 25 Minutes
Total Marks: 50
How to Attempt Test: Please choose the right Option in MCQ-type question.
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ECAT Database Design Process Test Online MCQs

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1. In database design, what is an entity?

2. Which phase involves testing the database design with sample data?

3. Which of the following best defines a surrogate key?

4. What does data integrity ensure?

5. What is a composite attribute?

6. What does cardinality refer to in database design?

7. Which of the following represents a relationship between two entities?

8. What is denormalization?

9. Which design step involves mapping entities to tables?

10. In a one-to-many relationship, where is the foreign key placed?

11. Which type of database model uses hierarchical relationships?

12. What is a functional dependency?

13. What is a many-to-many relationship?

14. In ER diagrams, what symbol represents an entity?

15. Which of the following is the first step in the database design process?

16. Which of the following is not a benefit of good database design?

17. Which of the following can lead to update anomalies?

18. In which phase is data volume estimation considered?

19. What is included in the physical design phase?

20. Which of the following represents a multi-valued attribute in an ERD?

21. Which of the following terms means "an attribute that uniquely identifies an entity"?

22. Which of the following is a key advantage of normalization?

23. Which one is not a rule of normalization?

24. Which diagram is typically used during the conceptual design phase?

25. What is the main purpose of indexing in physical design?


 

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